Which of the following motors is preferred for traction work?
A). Universal motor
B). Synchronous motor
C). Synchronous motor
D). Three-phase induction motor
2. Generators for peak load plants are usually designed for maximum efficiency at
3. For a NPN bipolar transistor, what is the main stream of current in the base region?
4. Ward-Leonard control is basically a
5. The series field of a short-shunt D.C. generator is excited by
6. A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is
7. To understand how the output voltage is shaped by a differentiator, you must consider
8. The input impedance of a transistor connected in ___________ arrangement is the highest
9. When the modulating signal controls the frequency of the carrier, we get___________
10. In a pnp transistor, the current carriers are ___________